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Monthly climate in Summerton, South Carolina, United States

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Summerton features a humid subtropical climate (Cfa).Temperatures typically range between 10 °C (50 °F) and 27 °C (82 °F) through the year, but rarely can drop to -9 °C (15 °F) or can rise to as high as 39 °C (103 °F).The average annual precipitation amounts to about 1253 mm (49.3 inches) and receives 129 rainy days on the 1 mm (0.04 inches) threshold annually.Summerton enjoys an average of 3253 hours of sunshine throughout the year, and daylight varies from 9 hours 56 minutes to 14 hours 20 minutes per day.

Monthly average temperatures in Summerton, South Carolina, United States §

The warmest months in Summerton are June, July and August, with daily mean temperatures ranging from 26 to 27 °C (79 - 82 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 10 to 13 °C (50 - 55 °F) throughout the day. On average each year, Summerton experiences 171 days above 25 °C (77.0 °F) and 15 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Summerton, South Carolina, United States.Generated using Copernicus Climate Change Service information.Data for period from January 2017 to June 2022.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Maximum 27°C
(80°F)		 29°C
(85°F)		 32°C
(89°F)		 32°C
(90°F)		 38°C
(101°F)		 39°C
(103°F)		 38°C
(100°F)		 37°C
(100°F)		 36°C
(97°F)		 37°C
(98°F)		 31°C
(87°F)		 26°C
(80°F)
Mean maximum 24°C
(76°F)		 27°C
(81°F)		 30°C
(86°F)		 31°C
(87°F)		 34°C
(94°F)		 34°C
(94°F)		 36°C
(97°F)		 35°C
(96°F)		 34°C
(94°F)		 32°C
(90°F)		 28°C
(83°F)		 24°C
(76°F)
Average high 15°C
(59°F)		 19°C
(66°F)		 21°C
(70°F)		 25°C
(77°F)		 29°C
(84°F)		 31°C
(88°F)		 32°C
(90°F)		 32°C
(89°F)		 30°C
(87°F)		 26°C
(80°F)		 19°C
(67°F)		 16°C
(62°F)
Daily mean 10°C
(50°F)		 13°C
(55°F)		 15°C
(59°F)		 19°C
(66°F)		 23°C
(74°F)		 26°C
(79°F)		 27°C
(82°F)		 27°C
(81°F)		 25°C
(77°F)		 21°C
(70°F)		 13°C
(56°F)		 11°C
(52°F)
Average low 5°C
(41°F)		 8°C
(46°F)		 9°C
(49°F)		 13°C
(56°F)		 18°C
(65°F)		 22°C
(72°F)		 24°C
(75°F)		 24°C
(75°F)		 21°C
(70°F)		 16°C
(62°F)		 8°C
(47°F)		 6°C
(43°F)
Mean minimum -5°C
(24°F)		 -2°C
(28°F)		 -2°C
(29°F)		 3°C
(39°F)		 10°C
(50°F)		 17°C
(62°F)		 20°C
(69°F)		 20°C
(68°F)		 15°C
(59°F)		 7°C
(45°F)		 -0°C
(32°F)		 -3°C
(27°F)
Minimum -9°C
(15°F)		 -4°C
(25°F)		 -3°C
(27°F)		 -0°C
(32°F)		 7°C
(45°F)		 13°C
(55°F)		 19°C
(66°F)		 18°C
(64°F)		 11°C
(53°F)		 3°C
(37°F)		 -2°C
(29°F)		 -5°C
(23°F)

Compare climate in Summerton with other places

Compare temperature, precipitation, sunshine, UV index in Summerton, South Carolina, United States with other places around the world.

Monthly average precipitation in Summerton, South Carolina, United States §

Summerton usually has the most precipitation in July, August and December, with an average of 14 rainy days and 147 mm (5.8 inches) of precipitation per month.The driest months in Summerton are January, October and November. On average, 66 mm (2.6 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Summerton, South Carolina, United States.Generated using Copernicus Climate Change Service information.Data for period from January 2017 to January 2022.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Average precipitation mm (inches) 74 (2.9) 94 (3.7) 76 (3.0) 105 (4.1) 90 (3.5) 121 (4.8) 162 (6.4) 140 (5.5) 128 (5.0) 56 (2.2) 67 (2.6) 140 (5.5)
Average precipitation days (≥ 1 mm) 8 10 10 7 9 16 18 17 9 8 8 9

Monthly sunshine hours in Summerton, South Carolina, United States §

The sunniest months in Summerton are May, June and July, when the sun shines an average of 10 hours 36 minutes a day.Least sunny months in Summerton: January, February and December receive an average of 6 hours 24 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Summerton, South Carolina, United States.Generated using Copernicus Atmosphere Monitoring Service information.Data for period from January 2017 to January 2022.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Mean monthly sunshine hours 177 194 262 292 322 311 342 308 300 284 246 211
Mean daily daylight hours 10h 11m 10h 58m 11h 59m 13h 2m 13h 54m 14h 20m 14h 6m 13h 19m 12h 19m 11h 18m 10h 23m 9h 56m

Solar UV radiation in Summerton, South Carolina, United States §

Summerton experiences the highest level of ultraviolet (UV) radiation in May, July and August, when the maximum UV index can reach values of 11 - 11, which corresponds to the Extreme category of sun exposure.January, November and December are in the Moderate / High exposure category. In these months, the maximum values of the UV index do not exceed 6. For more detailed information, check out our hourly Summerton UV Index data.

Average daily maximum UV levels by month for Summerton, South Carolina, United States.Generated using Copernicus Atmosphere Monitoring Service information.Data for period from January 2022 to January 2023.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
UV Index (month maximum) 4 7 8 10 11 11 11 11 9 8 6 4